1 all through a period of time.
- during the 1990s - There are extra flights to Colorado during the winter.
- Please remain seated during the performance.
2 at some point in a period of time.
- He was taken to the hospital during the night. - I only saw her once during my stay in Rome.
For answers the question ‘how long?’;
1 used to show a length of time.
- I'm going away for a few days.
- That's all the news there is for now.
2 used to show that something is arranged or intended to happen at a particular time
- an appointment for May - We're invited for 7.30.
(Oxford dictinary)
